[Leace]

On first sight this looks interesting but Keybase is years ahead in the UX polish. E.g. on Keybase it's easy to see and add new proofs without a CS degree.

[Yolta]

They are years ahead but as it turns out, you don't need a CS degree to add a decentralized proof! Only a few short commands are needed, that's it!

You may say "it only takes a few clicks on Keybase" but remember, that only works if you have given them your private key! Which really isn't ideal...